Christina Vassallo, APN
NPI 1265795181ActiveIndividual· Nurse Practitioner· Montclair, NJ
Nurse Practitioner (APN) with Summit Medical Group PA, practicing in Montclair, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $266,009 for 531 claims, against $54,368 paid for services in 2024. Tandem Diabetes Care, Inc. reported $116.09 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1265795181 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APN |
| Sole proprietor | No |
| NPI issued | Jun 18, 2012 |
| Last updated in NPPES | Oct 13, 2023 |
| Certified by provider | Jun 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 26NJ00382400 | NJ |
| Nurse Practitioner, Family | 363LF0000X | 26NJ00382400 | NJ |
| Internal Medicine, Endocrinology, Diabetes & Metabolism | 207RE0101X | 26NJ00382400 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 136 |
|---|---|
| Services billed | 2,099 across 38 procedure codes |
| Paid by Medicare | $54,368 |
Part D prescriptions in 2024
| Prescriptions (claims) | 531 · 1,150 30-day fills |
|---|---|
| Patients | 116 |
| Total drug cost | $266,009 |
| Generic share | 35% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Summit Medical Group PABerkeley Heights, NJ · 1,212 clinicians
Industry payments (Open Payments)
- 2025$116.09 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $116.09 | 2 |
What the 2025 payments were for
- Food and Beverage$116.09 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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